CN103122867B - The locking device of fan and front and back guard thereof - Google Patents
The locking device of fan and front and back guard thereof Download PDFInfo
- Publication number
- CN103122867B CN103122867B CN201310031610.3A CN201310031610A CN103122867B CN 103122867 B CN103122867 B CN 103122867B CN 201310031610 A CN201310031610 A CN 201310031610A CN 103122867 B CN103122867 B CN 103122867B
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- CN
- China
- Prior art keywords
- clamp ring
- elongated hole
- locking block
- terminations
- fan
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Abstract
The invention discloses the locking device of a kind of fan and front and back guard thereof.The locking device of guard before and after fan, comprise for being looped around guard make-up junction before and after fan, there is the C shape clamp ring of opening, two termination grafting of clamp ring coordinate, two terminations that this grafting coordinates are respectively equipped with length direction to extend along clamp ring circumference, depth direction runs through the elongated hole of clamp ring circle body two end faces, two terminations of clamp ring are by being located in elongated hole, link together with the spin-ended wedge lock block coordinated of elongated hole, locking block is the inclined-plane forming locking block wedge shape towards at least one in two sides of elongated hole nose end, locking block is fixedly connected in clamp ring by the bolt be screwed on locking block small end end face, clamp ring pulls with the rotation of described bolt that locking block is mobile in elongated hole to be realized undergauge and tighten up, described two sides of locking block coordinate with corresponding contact of the nose end of the close opening of the elongated hole of clamp ring two terminations respectively when clamp ring is tightened up.
Description
Technical field
The present invention relates to the locking device of a kind of fan and front and back guard thereof.
Background technique
Fan generally comprises front mesh enclosure and rear net cover; fan screen has the effect of protection flabellum and personal safety; therefore the locking device of front mesh enclosure and rear net cover is extremely important, and before and after fan of the prior art, the locking device of guard mainly comprises plastic latch collar mechanism and hasp mechanism.Hasp mechanism is installation activity hasp on a fan screen edge wherein, is fixed, although hasp mechanism is durable, in use easily occur fastening not tight problem by the mode that fastens and another guard; Plastic latch collar mechanism is the plastic latch collar that guard make-up junction has C shape opening around before and after fan, radially groove is provided with inside this plastic latch collar, before and after fan, the outer rim of guard projection is fastened in groove, the two ends of then C being moulded material clamp ring by plastic button couple together, thus make guard locking before and after fan.Although this plastic ring locking mechanism structure is simple, in use cannot adjusting tightness, guard before and after fan will be made locking is can not get when plastic latch collar is expanded with heat and contract with cold and become slack.
Summary of the invention
The object of the present invention is to provide a kind of fan that can regulate clamp ring elasticity.Meanwhile, present invention also offers the locking device of guard before and after this fan.
For achieving the above object, before and after fan of the present invention, the locking device of guard adopts following technological scheme: the locking device of guard before and after fan, comprise for being looped around guard make-up junction before and after fan, there is the C shape clamp ring of opening, two termination grafting of described clamp ring coordinate, two terminations that this grafting coordinates are respectively equipped with length direction to extend along clamp ring circumference, depth direction runs through the elongated hole of clamp ring circle body two end faces, two terminations of clamp ring are by being located in elongated hole, link together with the spin-ended wedge lock block coordinated of elongated hole, described locking block is the inclined-plane forming locking block wedge shape towards at least one in two sides of elongated hole nose end, locking block is fixedly connected in clamp ring by the bolt be screwed on locking block small end end face, clamp ring pulls with the rotation of described bolt that locking block is mobile in elongated hole to be realized undergauge and tighten up, described two sides of locking block coordinate with corresponding contact of the nose end of the close opening of the elongated hole of clamp ring two terminations respectively when clamp ring is tightened up.
Two terminations that described grafting coordinates one of them be " recessed " character form structure, another is " convex " character form structure coordinated with the termination grafting of " recessed " font.
The size of the large end end face of described locking block on elongated hole length direction is less than the length of elongated hole, and the height of described locking block is not more than the thickness of clamp ring.
The pad that external diameter is greater than elongated hole width is provided with between the head of described bolt and clamp ring.
Fan of the present invention adopts following technological scheme: fan, comprise front mesh enclosure, the locking device of rear net cover and front and back guard, the locking device of front and back guard comprises for being looped around guard make-up junction before and after fan, there is the C shape clamp ring of opening, two termination grafting of described clamp ring coordinate, two terminations that this grafting coordinates are respectively equipped with length direction to extend along clamp ring circumference, depth direction runs through the elongated hole of clamp ring circle body two end faces, two terminations of clamp ring are by being located in elongated hole, link together with the spin-ended wedge lock block coordinated of elongated hole, described locking block is the inclined-plane forming locking block wedge shape towards at least one in two sides of elongated hole nose end, locking block is fixedly connected in clamp ring by the bolt be screwed on locking block small end end face, clamp ring pulls with the rotation of described bolt that locking block is mobile in elongated hole to be realized undergauge and tighten up, described two sides of locking block coordinate with corresponding contact of the nose end of the close opening of the elongated hole of clamp ring two terminations respectively when clamp ring is tightened up.
Two terminations that described grafting coordinates one of them be " recessed " character form structure, another is " convex " character form structure coordinated with the termination grafting of " recessed " font.
The size of the large end end face of described locking block on elongated hole length direction is less than the length of elongated hole, and the height of described locking block is not more than the thickness of clamp ring.
The pad that external diameter is greater than elongated hole width is provided with between the head of described bolt and clamp ring.
Wedge lock block is put into the elongated hole of two terminations that clamp ring grafting coordinates by the present invention, two of clamp ring terminations are linked together, when screwing bolt, the depth direction of wedge lock block along elongated hole in elongated hole moves, because the inclined-plane of wedge lock block coordinates with corresponding contact of nose end of the close clamp ring opening of elongated hole, in the process of therefore locking block movement in elongated hole, the inclined-plane of locking block applies pressure to elongated hole nose end, make two of clamp ring terminations close, thus clamp ring is tightened up, thus before and after fan, guard just can realize locking.The present invention only needs to screw the elasticity that bolt just can regulate clamp ring, and not only structure is simple, and easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of locking device of guard before and after fan of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 be in Fig. 2 A-A to sectional view;
Fig. 4 is the partial sectional view of bolt joint in Fig. 2;
Fig. 5 is the schematic diagram of locking block in Fig. 1.
Embodiment
Before and after fan of the present invention, the structure of a kind of embodiment of the locking device of guard as shown in Figures 1 to 5, it comprises for being looped around guard make-up junction before and after fan, having the C shape clamp ring 1 of opening, two termination grafting of clamp ring 1 coordinate, two terminations that in the present embodiment, grafting coordinates one of them be " recessed " character form structure, another is " convex " character form structure coordinated with the termination grafting of " recessed " font, two terminations are respectively equipped with length direction extend along clamp ring 1 circumference, depth direction runs through the elongated hole of clamp ring 1 circle body two end faces, two terminations of clamp ring are by being located in elongated hole, link together with the spin-ended wedge lock block 2 coordinated of elongated hole, locking block 2 is inclined-plane towards a side of elongated hole nose end, this inclined-plane forms the sphenoid surface of wedge lock block, locking block 2 is fixedly connected in clamp ring 1 by the bolt 3 be screwed on locking block small end end face, the pad 4 that external diameter is greater than elongated hole width is provided with between the head and clamp ring 1 of bolt 3, clamp ring 1 pulls with the rotation of bolt 3 that locking block 2 is mobile in elongated hole to be realized undergauge and tighten up, described two sides of locking block 2 coordinate with corresponding contact of the nose end of the close opening of the elongated hole of clamp ring two terminations respectively when clamp ring is tightened up.
The present embodiment in use, clamp ring is looped around guard make-up junction before and after fan, the outer rim of front and back guard projection is made to be fastened in the groove inside clamp ring, after two termination grafting cooperations of clamp ring, elongated hole locking block being put into two terminations makes two terminations link together, when screwing bolt, the depth direction of wedge lock block along elongated hole in elongated hole moves, coordinate because the inclined-plane of locking block contacts with the nose end of the close clamp ring opening of elongated hole, in the process of therefore locking block movement in elongated hole, the inclined-plane of locking block applies pressure to elongated hole nose end, make two of clamp ring terminations close, thus clamp ring is tightened up, thus guard just can realize locking before and after fan.
Better visual effect is had for making guard locking device before and after fan of the present invention, the size of the large end end face of locking block on elongated hole length direction should be less than the length of elongated hole, the height of locking block should be not more than the thickness of clamp ring simultaneously, and now locking block sinks in elongated hole.
Before and after fan of the present invention the locking device of guard other embodiment in, locking block can be all inclined-plane towards two sides of elongated hole nose end, and these two inclined-planes form the sphenoid surface of wedge lock blocks.
Before and after fan of the present invention the locking device of guard other embodiment in, the structure that the two ends that clamp ring grafting coordinates can not adopt " convex " font and " recessed " font to coordinate, also can adopt the structure that one end has ledge structure, the other end coordinates with this ledge structure.
Before and after fan of the present invention the locking device of guard other embodiment in, when the diameter of bolt head is greater than elongated hole width, then do not need to arrange pad between bolt head and clamp ring.
The embodiment of fan of the present invention, comprises the locking device of front mesh enclosure and rear net cover and front and back guard, and the locking device of front and back guard is identical with the example structure of guard locking device before and after fan of the present invention, does not repeat them here.
Claims (4)
1. the locking device of guard before and after fan, comprise for being looped around guard make-up junction before and after fan, there is the C shape clamp ring of opening, it is characterized in that: two termination grafting of described clamp ring coordinate, two terminations that this grafting coordinates are respectively equipped with length direction to extend along clamp ring circumference, depth direction runs through the elongated hole of clamp ring circle body two end faces, two terminations of clamp ring are by being located in elongated hole, link together with the spin-ended wedge lock block coordinated of elongated hole, described locking block be arranged in two sides towards two tip end of elongated hole at least one be the inclined-plane forming locking block wedge shape, locking block is fixedly connected in clamp ring by the bolt be screwed on locking block small end end face, clamp ring pulls with the rotation of described bolt that locking block is mobile in elongated hole to be realized undergauge and tighten up, described two sides of locking block coordinate with corresponding contact of nose end near two tip end of the elongated hole of clamp ring two terminations respectively when clamp ring is tightened up, when screwing bolt, the depth direction of wedge lock block along elongated hole in elongated hole moves, the inclined-plane of locking block applies pressure to elongated hole nose end, make two of clamp ring terminations close, thus clamp ring is tightened up, the size of the large end end face of described locking block on elongated hole length direction is less than the length of elongated hole, and the height of described locking block is not more than the thickness of clamp ring, the pad that external diameter is greater than elongated hole width is provided with between the head of described bolt and clamp ring.
2. the locking device of guard before and after fan according to claim 1, is characterized in that: two terminations that described grafting coordinates one of them be " recessed " character form structure, another is " convex " character form structure coordinated with the termination grafting of " recessed " font.
3. fan, comprise front mesh enclosure, the locking device of rear net cover and front and back guard, the locking device of front and back guard comprises for being looped around guard make-up junction before and after fan, there is the C shape clamp ring of opening, it is characterized in that: two termination grafting of described clamp ring coordinate, two terminations that this grafting coordinates are respectively equipped with length direction to extend along clamp ring circumference, depth direction runs through the elongated hole of clamp ring circle body two end faces, two terminations of clamp ring are by being located in elongated hole, link together with the spin-ended wedge lock block coordinated of elongated hole, described locking block be arranged in two sides towards two tip end of elongated hole at least one be the inclined-plane forming locking block wedge shape, locking block is fixedly connected in clamp ring by the bolt be screwed on locking block small end end face, clamp ring pulls with the rotation of described bolt that locking block is mobile in elongated hole to be realized undergauge and tighten up, described two sides of locking block coordinate with corresponding contact of nose end near two tip end of the elongated hole of clamp ring two terminations respectively when clamp ring is tightened up, when screwing bolt, the depth direction of wedge lock block along elongated hole in elongated hole moves, the inclined-plane of locking block applies pressure to elongated hole nose end, make two of clamp ring terminations close, thus clamp ring is tightened up, the size of the large end end face of described locking block on elongated hole length direction is less than the length of elongated hole, and the height of described locking block is not more than the thickness of clamp ring, the pad that external diameter is greater than elongated hole width is provided with between the head of described bolt and clamp ring.
4. fan according to claim 3, is characterized in that: two terminations that described grafting coordinates one of them be " recessed " character form structure, another is " convex " character form structure coordinated with the termination grafting of " recessed " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310031610.3A CN103122867B (en) | 2013-01-28 | 2013-01-28 | The locking device of fan and front and back guard thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310031610.3A CN103122867B (en) | 2013-01-28 | 2013-01-28 | The locking device of fan and front and back guard thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103122867A CN103122867A (en) | 2013-05-29 |
| CN103122867B true CN103122867B (en) | 2016-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310031610.3A Expired - Fee Related CN103122867B (en) | 2013-01-28 | 2013-01-28 | The locking device of fan and front and back guard thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103122867B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534253B (en) * | 2014-12-10 | 2016-08-24 | 苏州欣航微电子有限公司 | A kind of fan pillar stand latch segment lubricated device |
| CN105437218B (en) * | 2016-01-12 | 2017-04-26 | 重庆世纪精信实业（集团）有限公司 | Holding tool component of manipulator |
| CN113251000B (en) * | 2020-02-13 | 2022-10-11 | 中国航发商用航空发动机有限责任公司 | Locking method of aircraft engine blade |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2329997A1 (en) * | 1973-06-13 | 1975-01-23 | 8000 Muenchen | Clamp for T-joint in tubular structure - simplifies preparation of tube end with slotted holes allowing bending to flanges |
| DE2757479A1 (en) * | 1976-12-22 | 1978-06-29 | Svenska Kram Ab | FASTENING ELEMENT |
| CN101117084A (en) * | 2007-09-03 | 2008-02-06 | 吉林大学 | Auxiliary shoring system based on standard rim and tyre |
| CN101722800A (en) * | 2009-12-04 | 2010-06-09 | 中国兵器工业第五二研究所 | Inner supporting body for run-flat tire |
| CN201843809U (en) * | 2010-09-30 | 2011-05-25 | 美的集团有限公司 | Electric fan screen cover decorative ring |
| CN203035590U (en) * | 2013-01-28 | 2013-07-03 | 河南科技大学 | Fan and locking device of front screen and back screen of fan |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040139859A1 (en) * | 2002-08-20 | 2004-07-22 | Tai-Ching Lee | Fan blade cut off system |
-
2013
- 2013-01-28 CN CN201310031610.3A patent/CN103122867B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2329997A1 (en) * | 1973-06-13 | 1975-01-23 | 8000 Muenchen | Clamp for T-joint in tubular structure - simplifies preparation of tube end with slotted holes allowing bending to flanges |
| DE2757479A1 (en) * | 1976-12-22 | 1978-06-29 | Svenska Kram Ab | FASTENING ELEMENT |
| CN101117084A (en) * | 2007-09-03 | 2008-02-06 | 吉林大学 | Auxiliary shoring system based on standard rim and tyre |
| CN101722800A (en) * | 2009-12-04 | 2010-06-09 | 中国兵器工业第五二研究所 | Inner supporting body for run-flat tire |
| CN201843809U (en) * | 2010-09-30 | 2011-05-25 | 美的集团有限公司 | Electric fan screen cover decorative ring |
| CN203035590U (en) * | 2013-01-28 | 2013-07-03 | 河南科技大学 | Fan and locking device of front screen and back screen of fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103122867A (en) | 2013-05-29 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20170128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |